(1):

(n.) A strong vessel, commonly in form of an inverted bell, in which substances are pounded or rubbed with a pestle.

(2):

(n.) A short piece of ordnance, used for throwing bombs, carcasses, shells, etc., at high angles of elevation, as 45?, and even higher; - so named from its resemblance in shape to the utensil above described.

(3):

(n.) A building material made by mixing lime, cement, or plaster of Paris, with sand, water, and sometimes other materials; - used in masonry for joining stones, bricks, etc., also for plastering, and in other ways.

(4):

(v. t.) To plaster or make fast with mortar.

(5):

(n.) A chamber lamp or light.